TEST BANK s s
PRINCIPLES OF BIOCHEMISTRY
5TH EDITION
Moran |Horton |Scrimgeour |Perry
s s s s s s
TEST BANK s s
,Principles s s of s s Biochemistry, s s 5th s s Edition s s Test s s Bank s s By: s s Moran, s s Horton,
s s Scrimgeour, ssPerry
Contents:
Chapter 1 Introduction s s to s s Biochemistry 1
Chapter 2 Water 10
Chapter 3 Amino s s Acids s s and s s the s s Primary s s Structures s s of 27
s s Proteins
Chapter 4 Proteins: s s Three-Dimensional s s Structure s s and s s Function 46
Chapter 5 Properties s s of s s Enzymes 65
Chapter 6 Mechanisms s s of s s Enzymes 85
Chapter 7 Coenzymes s s and s s Vitamins 104
Chapter 8 Carbohydrates 119
Chapter 9 Lipids s s and s s Membranes 137
Chapter 10 Introduction s s to s s Metabolism 153
Chapter 11 Glycolysis 169
Chapter 12 Gluconeogenesis, s s The s s Pentose s s Phosphate s s Pathway,
and s s Glycogen s s Metabolism 185
Chapter 13 The s s Citric s s Acid s s Cycle 199
Chapter 14 Electron s s Transport s s and Phosphorylation 213
s s Oxidative
Chapter 15 Photosynthesis 227
Chapter 16 Lipid s s Metabolism 241
Chapter 17 Amino s s Acid s s Metabolism 256
Chapter 18 Nucleotide s s Metabolism 269
Chapter 19 Nucleic s s Acids 284
Chapter 20 DNA s s Replication, s s Repair, s s and s s Recombination 300
Chapter 21 Transcription s s and s s RNA s s Processing 315
Chapter 22 Protein s s Synthesis 330
Chapter 23 Recombinant s s DNA s s Technology 348
,Chapter 1 Introduction to Biochemistry
ss ss ss ss ss
1) Which s s elements s s account s s for s s ss more s s than s s 97% s s of s s the s s weight s s of s s most
s s organisms?
A) C, s s H, s s N, s s Mg, s s O, ss ss S
B) C, s s H, s s N, s s O, s s P, s s S
C) C, s s H, s s N
D) Fe, s s C, s s H, s s O, s s P
E) Ca2+, ss K+, ss Na+, s s Mg2+, s s Cl-
Answer: B
Page s s Ref: s s Section s s 2
2) Proteins s s in s s biological s s membranes s s ss may s s be
A) porous.
B) attached s s to s s the s s membrane s s surface.
C) span s s ss the s s membrane.
D) All s s of s s the s s above
E) B s s and s s C s s only
Answer: D
Page s s Ref: s s Section s s 3
3) Which s s statement s s about s s cellulose s s is s s false?
A) It s s is s s the s s most s s abundant s s polysaccharide s s in s s nature.
B) Its s s monomers s s are s s joined s s by s s glycosidic s s bonds.
C) It s s is s s present s s in s s the s s stems s s of s s flowering s s plants.
D) The s s hydroxyl s s groups s s of s s neighboring s s cellulose s s molecules s s interact
s s to s s form s s strong, ssinsoluble s s fibers.
E) It s s is s s a s s branched s s polymer s s of s s glucose.
Answer: E
Page s s Ref: s s Section s s 3
1
, 4) When ss Keq s s of ss a s s reaction s s = s s 1, s s then
A) the s s forward s s reaction s s is s s faster s s than s s the s s reverse s s reaction.
B) the s s reverse s s ss reaction s s is s s faster s s than s s the s s forward s s reaction.
C) the s s forward s s and s s reverse s s reaction s s rate s s constants s s are s s equal.
D) more s s products s s are s s formed s s than s s reactants.
E) fewer s s products s s are s s formed s s than s s reactants.
Answer: C
Page s s Ref: s s Section s s 4
5) Which s s statement s s is s s true s s about s s a s s reaction s s with s s an s s equilibrium
s s constant, s s Keq, s s equal s s to ss1000?
A) The s s forward s s rate s s constant s s is s s 1000 s s times s s greater s s than s s the s s reverse
s s rate s s constant.
B) The s s forward s s rate s s constant s s ss is s s 3 ss ss times s s greater s s than s s reverse s s rate
s s constant.
C) The s s forward s s rate s s constant s s is s s 1000 s s times s s smaller s s than s s the s s reverse
s s rate s s constant.
D) The s s forward s s rate s s constant s s ss is s s 3 ss ss times s s smaller s s than s s the s s reverse
s s rate s s constant.
E) There s s is s s not s s enough s s information s s given s s to s s compare s s the
s s forward s s and s s reverse s s rate ssconstants.
Answer: A
Page s s Ref: s s Section s s 4
6) The s s study s s of s s the s s energy s s changes s s ss during s s metabolic s s reactions s s is s s called
ss.
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological s s heat ss ss dynamics
Answer: D
Page s s Ref: s s Section s s 4
7) A s s spontaneous s s chemical s s reaction s s always ss ss has s s a change.
A) positive s s Gibbʹs s s free s s energy
B) negative s s Gibbʹs s s free s s energy
C) positive s s enthalpy
D) negative s s enthalpy
E) positive s s entropy
2
PRINCIPLES OF BIOCHEMISTRY
5TH EDITION
Moran |Horton |Scrimgeour |Perry
s s s s s s
TEST BANK s s
,Principles s s of s s Biochemistry, s s 5th s s Edition s s Test s s Bank s s By: s s Moran, s s Horton,
s s Scrimgeour, ssPerry
Contents:
Chapter 1 Introduction s s to s s Biochemistry 1
Chapter 2 Water 10
Chapter 3 Amino s s Acids s s and s s the s s Primary s s Structures s s of 27
s s Proteins
Chapter 4 Proteins: s s Three-Dimensional s s Structure s s and s s Function 46
Chapter 5 Properties s s of s s Enzymes 65
Chapter 6 Mechanisms s s of s s Enzymes 85
Chapter 7 Coenzymes s s and s s Vitamins 104
Chapter 8 Carbohydrates 119
Chapter 9 Lipids s s and s s Membranes 137
Chapter 10 Introduction s s to s s Metabolism 153
Chapter 11 Glycolysis 169
Chapter 12 Gluconeogenesis, s s The s s Pentose s s Phosphate s s Pathway,
and s s Glycogen s s Metabolism 185
Chapter 13 The s s Citric s s Acid s s Cycle 199
Chapter 14 Electron s s Transport s s and Phosphorylation 213
s s Oxidative
Chapter 15 Photosynthesis 227
Chapter 16 Lipid s s Metabolism 241
Chapter 17 Amino s s Acid s s Metabolism 256
Chapter 18 Nucleotide s s Metabolism 269
Chapter 19 Nucleic s s Acids 284
Chapter 20 DNA s s Replication, s s Repair, s s and s s Recombination 300
Chapter 21 Transcription s s and s s RNA s s Processing 315
Chapter 22 Protein s s Synthesis 330
Chapter 23 Recombinant s s DNA s s Technology 348
,Chapter 1 Introduction to Biochemistry
ss ss ss ss ss
1) Which s s elements s s account s s for s s ss more s s than s s 97% s s of s s the s s weight s s of s s most
s s organisms?
A) C, s s H, s s N, s s Mg, s s O, ss ss S
B) C, s s H, s s N, s s O, s s P, s s S
C) C, s s H, s s N
D) Fe, s s C, s s H, s s O, s s P
E) Ca2+, ss K+, ss Na+, s s Mg2+, s s Cl-
Answer: B
Page s s Ref: s s Section s s 2
2) Proteins s s in s s biological s s membranes s s ss may s s be
A) porous.
B) attached s s to s s the s s membrane s s surface.
C) span s s ss the s s membrane.
D) All s s of s s the s s above
E) B s s and s s C s s only
Answer: D
Page s s Ref: s s Section s s 3
3) Which s s statement s s about s s cellulose s s is s s false?
A) It s s is s s the s s most s s abundant s s polysaccharide s s in s s nature.
B) Its s s monomers s s are s s joined s s by s s glycosidic s s bonds.
C) It s s is s s present s s in s s the s s stems s s of s s flowering s s plants.
D) The s s hydroxyl s s groups s s of s s neighboring s s cellulose s s molecules s s interact
s s to s s form s s strong, ssinsoluble s s fibers.
E) It s s is s s a s s branched s s polymer s s of s s glucose.
Answer: E
Page s s Ref: s s Section s s 3
1
, 4) When ss Keq s s of ss a s s reaction s s = s s 1, s s then
A) the s s forward s s reaction s s is s s faster s s than s s the s s reverse s s reaction.
B) the s s reverse s s ss reaction s s is s s faster s s than s s the s s forward s s reaction.
C) the s s forward s s and s s reverse s s reaction s s rate s s constants s s are s s equal.
D) more s s products s s are s s formed s s than s s reactants.
E) fewer s s products s s are s s formed s s than s s reactants.
Answer: C
Page s s Ref: s s Section s s 4
5) Which s s statement s s is s s true s s about s s a s s reaction s s with s s an s s equilibrium
s s constant, s s Keq, s s equal s s to ss1000?
A) The s s forward s s rate s s constant s s is s s 1000 s s times s s greater s s than s s the s s reverse
s s rate s s constant.
B) The s s forward s s rate s s constant s s ss is s s 3 ss ss times s s greater s s than s s reverse s s rate
s s constant.
C) The s s forward s s rate s s constant s s is s s 1000 s s times s s smaller s s than s s the s s reverse
s s rate s s constant.
D) The s s forward s s rate s s constant s s ss is s s 3 ss ss times s s smaller s s than s s the s s reverse
s s rate s s constant.
E) There s s is s s not s s enough s s information s s given s s to s s compare s s the
s s forward s s and s s reverse s s rate ssconstants.
Answer: A
Page s s Ref: s s Section s s 4
6) The s s study s s of s s the s s energy s s changes s s ss during s s metabolic s s reactions s s is s s called
ss.
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological s s heat ss ss dynamics
Answer: D
Page s s Ref: s s Section s s 4
7) A s s spontaneous s s chemical s s reaction s s always ss ss has s s a change.
A) positive s s Gibbʹs s s free s s energy
B) negative s s Gibbʹs s s free s s energy
C) positive s s enthalpy
D) negative s s enthalpy
E) positive s s entropy
2
